| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.61 | 0.03 |
| Feb | 0.64 | 0.60 | 0.04 |
| Mar | 1.23 | 1.18 | 0.05 |
| Apr | 2.30 | 2.29 | 0.01 |
| May | 3.17 | 3.15 | 0.02 |
| Jun | 4.43 | 4.30 | 0.13 |
| Jul | 4.26 | 4.14 | 0.12 |
| Aug | 3.66 | 3.71 | -0.05 |
| Sep | 2.87 | 2.87 | 0.00 |
| Oct | 2.50 | 2.47 | 0.03 |
| Nov | 1.11 | 1.08 | 0.03 |
| Dec | 0.76 | 0.73 | 0.03 |
27.57 | 27.13 | 0.44 |